The Maple Leaf EVO II Diamond Hop Up set is one of the premium hop-up bucking and cylinders for KWA LM4 and new version KWA or KSC gas blowback guns. The Maple Leaf EVO II set includes a bucking cover and steel tension arm that provides consistent performance from shot to shot and with extended use.
The Diamond Bucking set features a modified contact patch for precise spin and accuracy. This set will fit the KWA LM4 PTR, KWA KRISS Vector. It will also fit the Umarex HK45 with some modification to the barrel.
Maple Leaf Evo II Diamond Hop Up Bucking Set Features:
-75 Degree Hop Up Bucking
-Steel Bucking Cover
-Steel Tension Arm
-Fits KRISS, LM4 and HK45*